The sky on
your birthday.
Tunguska: The Largest Recent Impact Event
The most powerful natural explosion in recent Earth history occurred on June 30, 1908. A meteor exploded above the Tunguska River in Siberia, Russia. Detonating with an estimated power 1,000 times greater than the atomic bomb dropped over Hiroshima, the Tunguska event leveled trees over 40 kilometers away. It also shook the ground in a tremendous earthquake, leaving behind a vast area of flattened forest.
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Released on your day
Space pictures released on your month and day in other years, or a few days either side. Each one is sharp enough to print as a poster.
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The Sun on your day The Sun on 2 October 2011 See it as a poster -
The Earth on your day The Earth on 2 October 2011 · Sahara, Algeria See it as a poster -
Released on 2 October 2023 Glowing rosy in the dark See it as a poster -
Released on 2 October 2025 Location in the sky of the rogue planet Cha 1107-7626 (infrared) See it as a poster -
Released on 2 October 2025 Location in the sky of the rogue planet Cha 1107-7626 (visible light) See it as a poster -
Released on 2 October 2007 Extreme star cluster bursts into life in new Hubble image See it as a poster -
Released on 2 October 2022 Supernova Cannon Expels Pulsar J0002 See it as a poster
In tropical astrology, 2 OCT 2011 falls under Libra (♎). The sign's window runs from 09-23 through 10-22. Libra is the only zodiac constellation named for an inanimate object, the scales of judgment. The Sun was crossing this region of the sky on 2 OCT 2011.
Questions about October 2, 2011
What space photo was released on October 2, 2011?
NASA's Astronomy Picture of the Day for October 2, 2011 was "Tunguska: The Largest Recent Impact Event". It's the card at the top of this page.
What was the Moon's phase on October 2, 2011?
A waxing crescent moon, about 24% lit.
What day of the week was October 2, 2011?
October 2, 2011 was a Sunday, day 275 of the 365 days in 2011.
What did the Sun and the Earth look like on October 2, 2011?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are on this page, next to the card.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.